1799005897919 has 4 divisors (see below), whose sum is σ = 1803103861680. Its totient is φ = 1794907934160.

The previous prime is 1799005897907. The next prime is 1799005897981. The reversal of 1799005897919 is 9197985009971.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1799005897919 - 2⁴ = 1799005897903 is a prime.

It is a super-2 number, since 2×1799005897919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799005890919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048981222 + ... + 2048982099.

It is an arithmetic number, because the mean of its divisors is an integer number (450775965420).

Almost surely, 2^{1799005897919} is an apocalyptic number.

1799005897919 is a deficient number, since it is larger than the sum of its proper divisors (4097963761).

1799005897919 is an equidigital number, since it uses as much as digits as its factorization.

1799005897919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097963760.

The product of its (nonzero) digits is 115736040, while the sum is 74.

The spelling of 1799005897919 in words is "one trillion, seven hundred ninety-nine billion, five million, eight hundred ninety-seven thousand, nine hundred nineteen".